Four row tapered roller bearing

four row taper roller bearing

Four row tapered roller bearings are the one kind of roll neck bearings, their radial and axial loading capacity are high, can carry heavy axail loads in two directions, and their radial loading capacity is 3 times heavier than single row tapered roller bearings. Application: rolling mills

Boundary dimensions Basic load ratings Designations Mass Limiting speeds
mm kN Current Original kg r/min
d D T rmin r1min Cr Cor Grease Oil
150 210 165 2.5 2 700 1700 382930 2077930 16.5 670 850
212 155 3 2.5 964 2350 30630 – 16.8 670 850
160 220 165 2.5 2 795 2090 382932 2077932 18.5 670 850
265 173 3 2.5 1450 2760 380632 – 35.7 670 850
170 240 175 3 2.5 1210 3000 380634 – 24.2 670 850
260 230 3 2.5 907 1720 382034 2077134 39.5 670 850
180 250 185 2.5 2 1280 3400 382936 – 27.5 670 850
260 160 2.5 2 1140 2550 380636 – 26.7 670 850
200 282 206 3 2.5 1680 2510 380640 – 42.1 560 700
310 200 3 2.5 1660 3100 382040X2 2077140 55.6 560 700
310 275 3 2.5 1760 4200 382040 2077140 75.1 560 700
205 320 205 3 3 1590 3260 380641 77741 57 500 630
220 340 305 4 3 2070 5430 382044 2077144 97.9 500 630
225 320 230 2.5 2 1910 5000 380645 77745 58 500 630
230 315 190 2.5 2 1600 4310 380646 77746 42.5 500 630
240 360 310 4 3 2110 5610 382048 2077148 90.5 450 560
250 385 255 5 4 2870 6450 381050 77150 107 380 480
260 360 265 3 2.5 1760 5220 382952 2077952 76.3 450 560
400 255 4 7.5 2300 5000 380652 77752 114 490 600
400 345 5 4 2960 7380 382052 2077152 153 430 530
440 300 2 5 3550 8200 380152 777752 164 450 560
280 395 288 5 5 3051 8320 380656 – 108 450 560
420 250 5 5 2780 5700 380656X2 77756 119 450 560
460 324 5 4 2840 7290 381156 1077756 200 360 450
300 420 300 4 3 2330 7210 382960 2077960 130 380 480
420 310 4 3 3250 8150 380660 77860 134 380 480
460 390 5 4 3180 9330 382060 2077160 238 360 450
500 350 5 4 2980 6950 381160X2 77760 286 340 430
500 370 5 4 3390 8710 381160 1077760 285 340 430
320 460 338 4 4 2950 8200 380664 77764 180 360 450
460 380 4 4 3100 8750 380664X2 77864 218 360 450
480 390 5 4 3180 9330 382064 2077164 234 340 430
540 364 5 5 6330 14400 381164X2 – 347 340 430
340 460 310 4 3 2480 8100 382968 2077968 145 340 430
480 350 5 5 4400 12600 380668 – 195 320 400
520 325 5 4 3100 8620 381068 77168 234 320 400
580 425 5 4 4580 11700 381168 1077768 441 280 360
350 590 420 2 5 4700 9700 380670 77770 475 280 360
355 490 316 4 4 4520 12200 380671 – 115 320 400
Boundary dimensions Basic load ratings Designations Mass Limiting speeds
mm kN Current Original kg r/min
d D T rmin r1min Cr Cor Grease Oil
360 480 310 4 3 2760 8300 382972 2077972 149 340 430
480 375 3 3 3010 7870 382972X2 77872 189 340 430
520 370 4 4 5560 14600 380672 – 253 300 380
540 325 5 4 3388 8840 381072 77172 248 300 380
540 360 5 5 5070 12500 381072X2 – 274 300 380
600 420 6 6 7900 14000 381172 1077772 388 280 360
600 540 5 5 9970 24900 381172X2 – 620 240 360
370 490 292 3 3 3800 11600 380674 – 149 340 430
380 520 400 4 3 5560 16100 380676 – 240 280 380
550 350 5 5 5250 13100 380676 77776 273 280 380
560 325 5 4 3360 8840 381076 77176 281 280 380
560 360 5 5 5730 14000 381076X2 – 294 280 360
620 388 6 6 4200 9500 381176X2 3077776 443 240 360
620 420 5 4 4710 12300 381176 1077776 519 240 360
395 545 288.7 4 7.5 2610 7490 380679 77779 194 280 360
400 540 280 4 4 3100 8750 380680 77880 175 280 360
600 356 5 4 4160 10400 381080 77180 317 240 320
420 620 356 5 4 4160 10400 381084 77184 358 220 300
700 480 6 5 6780 18500 381184 1077784 760 190 260
760 500 7.5 7.5 9350 20300 380684 77884 1039 180 240
440 620 454 6 6 3960 7880 380688 77888 440 200 280
650 355 6 6 4290 12390 380088 77788 385 200 280
650 376 6 5 4330 13700 381088 77188 401 200 280
460 620 310 4 3 3360 10200 381992 1077992 232 200 280
650 474 6 6 5292 11270 380692 77892 495 180 240
680 410 6 5 5130 14200 381092 77192 476. 180 240
730 440 4 7.5 6500 15100 380692X3 77792 694 170 220
475 660 450 5 5 7330 22400 380695 77795 457 170 220
480 650 338 5 4 2450 5400 381996 1077996 301 190 260
678 494 6 6 10600 31900 380696 – 578 170 220
700 342 6 6 7050 17900 381096X2 – 447 170 220
700 420 6 5 5780 16900 381096 77196 547 170 220
790 510 7.5 7.5 11570 26900 381196X2 – 1017 120 160
490 625 385 4 4 5070 17670 380698 – 282 170 220
500 720 420 6 5 6650 19400 3810/500 771/500 565 160 200
830 540 7.5 7.5 13230 33000 3811/500X2 – 1194 120 160
508 762 420 6 6 9050 23900 3806/508 – 684 160 200
520 735 535 6 6 10580 33400 3806/520 – 721 160 200
530 780 450 6 5 7520 21500 3810/530 771/530 744 140 180
870 560 7.5 7.5 14400 36150 3811/530X2 – 1342 120 160
870 590 7.5 6 9300 26100 3811/530 10777/530 1422 120 160
880 544 7.5 7.5 10500 25600 3806/530 30777/530 1350 120 160
540 690 400 5 5 4860 17300 – 779/540 375 160 200
560 730 410 4 6 5560 18900 3828/560X – 441 140 180
Boundary dimensions Basic load ratings Designations Mass Limiting speeds
mm kN Current Original kg r/min
d D T rmin r1min Cr Cor Grease Oil
560 750 368 5 4 4370 13300 3819/560 10779/560 456 140 180
920 620 7.5 6 11200 26100 3811/560 10777/560 1635 100 140
600 800 365 5 5 5000 17800 – 779/600 489 120 160
800 380 5 4 5500 18900 3819/600 10779/600 536 120 160
855 620 6 6 14700 48100 3806/600 – 1155 100 140
870 415 6 6 9790 27200 3810/600X2 – 831 100 140
870 480 6 5 8370 25400 3810/600 771/600 995 100 140
980 615 7.5 6 17600 45600 3811/600X2 – 1865 90 120
980 650 7.5 6 12700 36700 3811/600 10777/600 1970 90 120
625 815 480 5 5 10400 31700 3806/625 777/625 647 100 140
630 850 418 6 5 6440 19800 3819/630 10779/630 720 100 140
890 650 7.5 7.5 16970 53800 3806/630 – 1293 100 140
920 515 7.5 6 9170 26800 3810/630 771/630 1158 95 130
920 600 7.5 7.5 16500 48200 3810/630X2 – 1342 90 120
1030 645 7.5 7.5 20270 53160 3811/630X2 – 2162 85 110
1030 670 7.5 6 14400 39900 3811/630 10777/630 2170 85 110
650 1030 560 7.5 12 11460 22050 3806/650 777/650 1769 85 110
660 1070 650 7.5 7.5 12600 26500 3806/660 777/660 2282 80 100
670 900 412 6 5 6940 22300 3819/670 10779/670 959 95 130
950 700 7.5 7.5 19800 61900 3806/670 – 1599 90 120
980 475 7.5 7.5 13880 36500 3810/670X2 – 1224 90 120
1090 690 7.5 7.5 22700 58800 3811/670X2 – 2566 75 95
1090 710 7.5 6 15700 39900 3811/670 10777/670 2665 75 95
710 1030 490 7.5 7.5 14500 40600 3810/710X2 – 1372 75 95
1030 555 7.5 6 11200 35800 3810/710 771/710 1568 75 95
1150 710 9.5 8 24500 65000 3811/710X2 – 2931 48 80
1150 750 9.5 8 15840 33960 3811/710 10777/710 3227 48 80
730 1035 755 7.5 7.5 22500 73200 3806/730 – 2043 75 95
750 1090 515 7.5 6 16200 45600 3810/750X2 – 1619 70 90
1090 605 7.5 6 13100 42400 3810/750 771/750 1874 70 90
1130 690 7.5 7.5 19000 51700 3806/750 777/750 2516 48 80
1220 750 9.5 8 27430 7380 3811/750X2 – 3504 48 80
1220 840 9.5 8 21900 68000 3811/750 10777/750 3994 48 80
774 1130 690 4 7.5 16700 50100 – 777/774 2400 48 80
780 1220 840 9.5 8 28400 74000 3806/780 779/780 3659 48 80
800 1120 820 7.5 7.5 26200 86300 3806/800 – 2842 – –
840 1170 840 7.5 7.5 26300 86400 3806/840 – 2840 – –
850 1360 900 12 9.5 38900 140600 3811/850 10777/850 5168 – –
950 1360 880 7.5 6 23300 83600 3820/950 20771/950 4087 – –
1060 1500 1000 9.5 8 29100 105000 3820/1060 20771/1060 5698 – –
1070 1400 889.762 4 12 27270 90000 BT4B 328100 – 3730 – –
1080 1450 950 5 12 30240 97200 BT4B 331559 – 4450 – –
1250 1550 890 5 12 27270 102600 BT4B 328819 – 3820 – –
1260 1640 1000 5 12 35190 128700 BT4B 332124 – 5800 – –
1300 1720 1040 5 12 38610 126000 BT4B 331950 – 7000 – –
1500 1900 1080 4 12 42120 153000 BT4B 332078 – 7700 – –
1580 1960 1080 5 12 41130 158400 BT4B 331934 – 7800 – –
Four row tapered roller bearings